1 /*
2 * Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
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23 */
24
25 #ifndef SHARE_OPTO_TYPE_HPP
26 #define SHARE_OPTO_TYPE_HPP
27
28 #include "opto/adlcVMDeps.hpp"
29 #include "runtime/handles.hpp"
30
31 // Portions of code courtesy of Clifford Click
32
33 // Optimization - Graph Style
34
35
36 // This class defines a Type lattice. The lattice is used in the constant
37 // propagation algorithms, and for some type-checking of the iloc code.
38 // Basic types include RSD's (lower bound, upper bound, stride for integers),
39 // float & double precision constants, sets of data-labels and code-labels.
40 // The complete lattice is described below. Subtypes have no relationship to
41 // up or down in the lattice; that is entirely determined by the behavior of
42 // the MEET/JOIN functions.
43
44 class Dict;
45 class Type;
46 class TypeD;
47 class TypeF;
48 class TypeInt;
49 class TypeLong;
50 class TypeNarrowPtr;
51 class TypeNarrowOop;
52 class TypeNarrowKlass;
53 class TypeAry;
54 class TypeTuple;
55 class TypeVect;
56 class TypeVectA;
57 class TypeVectS;
58 class TypeVectD;
59 class TypeVectX;
60 class TypeVectY;
61 class TypeVectZ;
62 class TypePtr;
63 class TypeRawPtr;
64 class TypeOopPtr;
65 class TypeInstPtr;
66 class TypeAryPtr;
67 class TypeKlassPtr;
68 class TypeMetadataPtr;
69
70 //------------------------------Type-------------------------------------------
71 // Basic Type object, represents a set of primitive Values.
72 // Types are hash-cons'd into a private class dictionary, so only one of each
73 // different kind of Type exists. Types are never modified after creation, so
74 // all their interesting fields are constant.
75 class Type {
76 friend class VMStructs;
77
78 public:
79 enum TYPES {
80 Bad=0, // Type check
81 Control, // Control of code (not in lattice)
82 Top, // Top of the lattice
83 Int, // Integer range (lo-hi)
84 Long, // Long integer range (lo-hi)
85 Half, // Placeholder half of doubleword
86 NarrowOop, // Compressed oop pointer
87 NarrowKlass, // Compressed klass pointer
88
89 Tuple, // Method signature or object layout
90 Array, // Array types
91 VectorA, // (Scalable) Vector types for vector length agnostic
92 VectorS, // 32bit Vector types
93 VectorD, // 64bit Vector types
94 VectorX, // 128bit Vector types
95 VectorY, // 256bit Vector types
96 VectorZ, // 512bit Vector types
97
98 AnyPtr, // Any old raw, klass, inst, or array pointer
99 RawPtr, // Raw (non-oop) pointers
100 OopPtr, // Any and all Java heap entities
101 InstPtr, // Instance pointers (non-array objects)
102 AryPtr, // Array pointers
103 // (Ptr order matters: See is_ptr, isa_ptr, is_oopptr, isa_oopptr.)
104
105 MetadataPtr, // Generic metadata
106 KlassPtr, // Klass pointers
107
108 Function, // Function signature
109 Abio, // Abstract I/O
110 Return_Address, // Subroutine return address
111 Memory, // Abstract store
112 FloatTop, // No float value
113 FloatCon, // Floating point constant
114 FloatBot, // Any float value
115 DoubleTop, // No double value
116 DoubleCon, // Double precision constant
117 DoubleBot, // Any double value
118 Bottom, // Bottom of lattice
119 lastype // Bogus ending type (not in lattice)
120 };
121
122 // Signal values for offsets from a base pointer
123 enum OFFSET_SIGNALS {
124 OffsetTop = -2000000000, // undefined offset
125 OffsetBot = -2000000001 // any possible offset
126 };
127
128 // Min and max WIDEN values.
129 enum WIDEN {
130 WidenMin = 0,
131 WidenMax = 3
132 };
133
134 private:
135 typedef struct {
136 TYPES dual_type;
137 BasicType basic_type;
138 const char* msg;
139 bool isa_oop;
140 uint ideal_reg;
141 relocInfo::relocType reloc;
142 } TypeInfo;
143
144 // Dictionary of types shared among compilations.
145 static Dict* _shared_type_dict;
146 static const TypeInfo _type_info[];
147
148 static int uhash( const Type *const t );
149 // Structural equality check. Assumes that cmp() has already compared
150 // the _base types and thus knows it can cast 't' appropriately.
151 virtual bool eq( const Type *t ) const;
152
153 // Top-level hash-table of types
154 static Dict *type_dict() {
155 return Compile::current()->type_dict();
156 }
157
158 // DUAL operation: reflect around lattice centerline. Used instead of
159 // join to ensure my lattice is symmetric up and down. Dual is computed
160 // lazily, on demand, and cached in _dual.
161 const Type *_dual; // Cached dual value
162 // Table for efficient dualing of base types
163 static const TYPES dual_type[lastype];
164
165 #ifdef ASSERT
166 // One type is interface, the other is oop
167 virtual bool interface_vs_oop_helper(const Type *t) const;
168 #endif
169
170 const Type *meet_helper(const Type *t, bool include_speculative) const;
171 void check_symmetrical(const Type *t, const Type *mt) const;
172
173 protected:
174 // Each class of type is also identified by its base.
175 const TYPES _base; // Enum of Types type
176
177 Type( TYPES t ) : _dual(NULL), _base(t) {} // Simple types
178 // ~Type(); // Use fast deallocation
179 const Type *hashcons(); // Hash-cons the type
180 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
181 const Type *join_helper(const Type *t, bool include_speculative) const {
182 return dual()->meet_helper(t->dual(), include_speculative)->dual();
183 }
184
185 public:
186
187 inline void* operator new( size_t x ) throw() {
188 Compile* compile = Compile::current();
189 compile->set_type_last_size(x);
190 return compile->type_arena()->Amalloc_D(x);
191 }
192 inline void operator delete( void* ptr ) {
193 Compile* compile = Compile::current();
194 compile->type_arena()->Afree(ptr,compile->type_last_size());
195 }
196
197 // Initialize the type system for a particular compilation.
198 static void Initialize(Compile* compile);
199
200 // Initialize the types shared by all compilations.
201 static void Initialize_shared(Compile* compile);
202
203 TYPES base() const {
204 assert(_base > Bad && _base < lastype, "sanity");
205 return _base;
206 }
207
208 // Create a new hash-consd type
209 static const Type *make(enum TYPES);
210 // Test for equivalence of types
211 static int cmp( const Type *const t1, const Type *const t2 );
212 // Test for higher or equal in lattice
213 // Variant that drops the speculative part of the types
214 bool higher_equal(const Type *t) const {
215 return !cmp(meet(t),t->remove_speculative());
216 }
217 // Variant that keeps the speculative part of the types
218 bool higher_equal_speculative(const Type *t) const {
219 return !cmp(meet_speculative(t),t);
220 }
221
222 // MEET operation; lower in lattice.
223 // Variant that drops the speculative part of the types
224 const Type *meet(const Type *t) const {
225 return meet_helper(t, false);
226 }
227 // Variant that keeps the speculative part of the types
228 const Type *meet_speculative(const Type *t) const {
229 return meet_helper(t, true)->cleanup_speculative();
230 }
231 // WIDEN: 'widens' for Ints and other range types
232 virtual const Type *widen( const Type *old, const Type* limit ) const { return this; }
233 // NARROW: complement for widen, used by pessimistic phases
234 virtual const Type *narrow( const Type *old ) const { return this; }
235
236 // DUAL operation: reflect around lattice centerline. Used instead of
237 // join to ensure my lattice is symmetric up and down.
238 const Type *dual() const { return _dual; }
239
240 // Compute meet dependent on base type
241 virtual const Type *xmeet( const Type *t ) const;
242 virtual const Type *xdual() const; // Compute dual right now.
243
244 // JOIN operation; higher in lattice. Done by finding the dual of the
245 // meet of the dual of the 2 inputs.
246 // Variant that drops the speculative part of the types
247 const Type *join(const Type *t) const {
248 return join_helper(t, false);
249 }
250 // Variant that keeps the speculative part of the types
251 const Type *join_speculative(const Type *t) const {
252 return join_helper(t, true)->cleanup_speculative();
253 }
254
255 // Modified version of JOIN adapted to the needs Node::Value.
256 // Normalizes all empty values to TOP. Does not kill _widen bits.
257 // Currently, it also works around limitations involving interface types.
258 // Variant that drops the speculative part of the types
259 const Type *filter(const Type *kills) const {
260 return filter_helper(kills, false);
261 }
262 // Variant that keeps the speculative part of the types
263 const Type *filter_speculative(const Type *kills) const {
264 return filter_helper(kills, true)->cleanup_speculative();
265 }
266
267 #ifdef ASSERT
268 // One type is interface, the other is oop
269 virtual bool interface_vs_oop(const Type *t) const;
270 #endif
271
272 // Returns true if this pointer points at memory which contains a
273 // compressed oop references.
274 bool is_ptr_to_narrowoop() const;
275 bool is_ptr_to_narrowklass() const;
276
277 bool is_ptr_to_boxing_obj() const;
278
279
280 // Convenience access
281 float getf() const;
282 double getd() const;
283
284 const TypeInt *is_int() const;
285 const TypeInt *isa_int() const; // Returns NULL if not an Int
286 const TypeLong *is_long() const;
287 const TypeLong *isa_long() const; // Returns NULL if not a Long
288 const TypeD *isa_double() const; // Returns NULL if not a Double{Top,Con,Bot}
289 const TypeD *is_double_constant() const; // Asserts it is a DoubleCon
290 const TypeD *isa_double_constant() const; // Returns NULL if not a DoubleCon
291 const TypeF *isa_float() const; // Returns NULL if not a Float{Top,Con,Bot}
292 const TypeF *is_float_constant() const; // Asserts it is a FloatCon
293 const TypeF *isa_float_constant() const; // Returns NULL if not a FloatCon
294 const TypeTuple *is_tuple() const; // Collection of fields, NOT a pointer
295 const TypeAry *is_ary() const; // Array, NOT array pointer
296 const TypeAry *isa_ary() const; // Returns NULL of not ary
297 const TypeVect *is_vect() const; // Vector
298 const TypeVect *isa_vect() const; // Returns NULL if not a Vector
299 const TypePtr *is_ptr() const; // Asserts it is a ptr type
300 const TypePtr *isa_ptr() const; // Returns NULL if not ptr type
301 const TypeRawPtr *isa_rawptr() const; // NOT Java oop
302 const TypeRawPtr *is_rawptr() const; // Asserts is rawptr
303 const TypeNarrowOop *is_narrowoop() const; // Java-style GC'd pointer
304 const TypeNarrowOop *isa_narrowoop() const; // Returns NULL if not oop ptr type
305 const TypeNarrowKlass *is_narrowklass() const; // compressed klass pointer
306 const TypeNarrowKlass *isa_narrowklass() const;// Returns NULL if not oop ptr type
307 const TypeOopPtr *isa_oopptr() const; // Returns NULL if not oop ptr type
308 const TypeOopPtr *is_oopptr() const; // Java-style GC'd pointer
309 const TypeInstPtr *isa_instptr() const; // Returns NULL if not InstPtr
310 const TypeInstPtr *is_instptr() const; // Instance
311 const TypeAryPtr *isa_aryptr() const; // Returns NULL if not AryPtr
312 const TypeAryPtr *is_aryptr() const; // Array oop
313
314 const TypeMetadataPtr *isa_metadataptr() const; // Returns NULL if not oop ptr type
315 const TypeMetadataPtr *is_metadataptr() const; // Java-style GC'd pointer
316 const TypeKlassPtr *isa_klassptr() const; // Returns NULL if not KlassPtr
317 const TypeKlassPtr *is_klassptr() const; // assert if not KlassPtr
318
319 virtual bool is_finite() const; // Has a finite value
320 virtual bool is_nan() const; // Is not a number (NaN)
321
322 // Returns this ptr type or the equivalent ptr type for this compressed pointer.
323 const TypePtr* make_ptr() const;
324
325 // Returns this oopptr type or the equivalent oopptr type for this compressed pointer.
326 // Asserts if the underlying type is not an oopptr or narrowoop.
327 const TypeOopPtr* make_oopptr() const;
328
329 // Returns this compressed pointer or the equivalent compressed version
330 // of this pointer type.
331 const TypeNarrowOop* make_narrowoop() const;
332
333 // Returns this compressed klass pointer or the equivalent
334 // compressed version of this pointer type.
335 const TypeNarrowKlass* make_narrowklass() const;
336
337 // Special test for register pressure heuristic
338 bool is_floatingpoint() const; // True if Float or Double base type
339
340 // Do you have memory, directly or through a tuple?
341 bool has_memory( ) const;
342
343 // TRUE if type is a singleton
344 virtual bool singleton(void) const;
345
346 // TRUE if type is above the lattice centerline, and is therefore vacuous
347 virtual bool empty(void) const;
348
349 // Return a hash for this type. The hash function is public so ConNode
350 // (constants) can hash on their constant, which is represented by a Type.
351 virtual int hash() const;
352
353 // Map ideal registers (machine types) to ideal types
354 static const Type *mreg2type[];
355
356 // Printing, statistics
357 #ifndef PRODUCT
358 void dump_on(outputStream *st) const;
359 void dump() const {
360 dump_on(tty);
361 }
362 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
363 static void dump_stats();
364
365 static const char* str(const Type* t);
366 #endif
367 void typerr(const Type *t) const; // Mixing types error
368
369 // Create basic type
370 static const Type* get_const_basic_type(BasicType type) {
371 assert((uint)type <= T_CONFLICT && _const_basic_type[type] != NULL, "bad type");
372 return _const_basic_type[type];
373 }
374
375 // For two instance arrays of same dimension, return the base element types.
376 // Otherwise or if the arrays have different dimensions, return NULL.
377 static void get_arrays_base_elements(const Type *a1, const Type *a2,
378 const TypeInstPtr **e1, const TypeInstPtr **e2);
379
380 // Mapping to the array element's basic type.
381 BasicType array_element_basic_type() const;
382
383 // Create standard type for a ciType:
384 static const Type* get_const_type(ciType* type);
385
386 // Create standard zero value:
387 static const Type* get_zero_type(BasicType type) {
388 assert((uint)type <= T_CONFLICT && _zero_type[type] != NULL, "bad type");
389 return _zero_type[type];
390 }
391
392 // Report if this is a zero value (not top).
393 bool is_zero_type() const {
394 BasicType type = basic_type();
395 if (type == T_VOID || type >= T_CONFLICT)
396 return false;
397 else
398 return (this == _zero_type[type]);
399 }
400
401 // Convenience common pre-built types.
402 static const Type *ABIO;
403 static const Type *BOTTOM;
404 static const Type *CONTROL;
405 static const Type *DOUBLE;
406 static const Type *FLOAT;
407 static const Type *HALF;
408 static const Type *MEMORY;
409 static const Type *MULTI;
410 static const Type *RETURN_ADDRESS;
411 static const Type *TOP;
412
413 // Mapping from compiler type to VM BasicType
414 BasicType basic_type() const { return _type_info[_base].basic_type; }
415 uint ideal_reg() const { return _type_info[_base].ideal_reg; }
416 const char* msg() const { return _type_info[_base].msg; }
417 bool isa_oop_ptr() const { return _type_info[_base].isa_oop; }
418 relocInfo::relocType reloc() const { return _type_info[_base].reloc; }
419
420 // Mapping from CI type system to compiler type:
421 static const Type* get_typeflow_type(ciType* type);
422
423 static const Type* make_from_constant(ciConstant constant,
424 bool require_constant = false,
425 int stable_dimension = 0,
426 bool is_narrow = false,
427 bool is_autobox_cache = false);
428
429 static const Type* make_constant_from_field(ciInstance* holder,
430 int off,
431 bool is_unsigned_load,
432 BasicType loadbt);
433
434 static const Type* make_constant_from_field(ciField* field,
435 ciInstance* holder,
436 BasicType loadbt,
437 bool is_unsigned_load);
438
439 static const Type* make_constant_from_array_element(ciArray* array,
440 int off,
441 int stable_dimension,
442 BasicType loadbt,
443 bool is_unsigned_load);
444
445 // Speculative type helper methods. See TypePtr.
446 virtual const TypePtr* speculative() const { return NULL; }
447 virtual ciKlass* speculative_type() const { return NULL; }
448 virtual ciKlass* speculative_type_not_null() const { return NULL; }
449 virtual bool speculative_maybe_null() const { return true; }
450 virtual bool speculative_always_null() const { return true; }
451 virtual const Type* remove_speculative() const { return this; }
452 virtual const Type* cleanup_speculative() const { return this; }
453 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const { return exact_kls != NULL; }
454 virtual bool would_improve_ptr(ProfilePtrKind ptr_kind) const { return ptr_kind == ProfileAlwaysNull || ptr_kind == ProfileNeverNull; }
455 const Type* maybe_remove_speculative(bool include_speculative) const;
456
457 virtual bool maybe_null() const { return true; }
458 virtual bool is_known_instance() const { return false; }
459
460 private:
461 // support arrays
462 static const Type* _zero_type[T_CONFLICT+1];
463 static const Type* _const_basic_type[T_CONFLICT+1];
464 };
465
466 //------------------------------TypeF------------------------------------------
467 // Class of Float-Constant Types.
468 class TypeF : public Type {
469 TypeF( float f ) : Type(FloatCon), _f(f) {};
470 public:
471 virtual bool eq( const Type *t ) const;
472 virtual int hash() const; // Type specific hashing
473 virtual bool singleton(void) const; // TRUE if type is a singleton
474 virtual bool empty(void) const; // TRUE if type is vacuous
475 public:
476 const float _f; // Float constant
477
478 static const TypeF *make(float f);
479
480 virtual bool is_finite() const; // Has a finite value
481 virtual bool is_nan() const; // Is not a number (NaN)
482
483 virtual const Type *xmeet( const Type *t ) const;
484 virtual const Type *xdual() const; // Compute dual right now.
485 // Convenience common pre-built types.
486 static const TypeF *ZERO; // positive zero only
487 static const TypeF *ONE;
488 static const TypeF *POS_INF;
489 static const TypeF *NEG_INF;
490 #ifndef PRODUCT
491 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
492 #endif
493 };
494
495 //------------------------------TypeD------------------------------------------
496 // Class of Double-Constant Types.
497 class TypeD : public Type {
498 TypeD( double d ) : Type(DoubleCon), _d(d) {};
499 public:
500 virtual bool eq( const Type *t ) const;
501 virtual int hash() const; // Type specific hashing
502 virtual bool singleton(void) const; // TRUE if type is a singleton
503 virtual bool empty(void) const; // TRUE if type is vacuous
504 public:
505 const double _d; // Double constant
506
507 static const TypeD *make(double d);
508
509 virtual bool is_finite() const; // Has a finite value
510 virtual bool is_nan() const; // Is not a number (NaN)
511
512 virtual const Type *xmeet( const Type *t ) const;
513 virtual const Type *xdual() const; // Compute dual right now.
514 // Convenience common pre-built types.
515 static const TypeD *ZERO; // positive zero only
516 static const TypeD *ONE;
517 static const TypeD *POS_INF;
518 static const TypeD *NEG_INF;
519 #ifndef PRODUCT
520 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
521 #endif
522 };
523
524 //------------------------------TypeInt----------------------------------------
525 // Class of integer ranges, the set of integers between a lower bound and an
526 // upper bound, inclusive.
527 class TypeInt : public Type {
528 TypeInt( jint lo, jint hi, int w );
529 protected:
530 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
531
532 public:
533 typedef jint NativeType;
534 virtual bool eq( const Type *t ) const;
535 virtual int hash() const; // Type specific hashing
536 virtual bool singleton(void) const; // TRUE if type is a singleton
537 virtual bool empty(void) const; // TRUE if type is vacuous
538 const jint _lo, _hi; // Lower bound, upper bound
539 const short _widen; // Limit on times we widen this sucker
540
541 static const TypeInt *make(jint lo);
542 // must always specify w
543 static const TypeInt *make(jint lo, jint hi, int w);
544
545 // Check for single integer
546 int is_con() const { return _lo==_hi; }
547 bool is_con(int i) const { return is_con() && _lo == i; }
548 jint get_con() const { assert( is_con(), "" ); return _lo; }
549
550 virtual bool is_finite() const; // Has a finite value
551
552 virtual const Type *xmeet( const Type *t ) const;
553 virtual const Type *xdual() const; // Compute dual right now.
554 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
555 virtual const Type *narrow( const Type *t ) const;
556 // Do not kill _widen bits.
557 // Convenience common pre-built types.
558 static const TypeInt *MINUS_1;
559 static const TypeInt *ZERO;
560 static const TypeInt *ONE;
561 static const TypeInt *BOOL;
562 static const TypeInt *CC;
563 static const TypeInt *CC_LT; // [-1] == MINUS_1
564 static const TypeInt *CC_GT; // [1] == ONE
565 static const TypeInt *CC_EQ; // [0] == ZERO
566 static const TypeInt *CC_LE; // [-1,0]
567 static const TypeInt *CC_GE; // [0,1] == BOOL (!)
568 static const TypeInt *BYTE;
569 static const TypeInt *UBYTE;
570 static const TypeInt *CHAR;
571 static const TypeInt *SHORT;
572 static const TypeInt *POS;
573 static const TypeInt *POS1;
574 static const TypeInt *INT;
575 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint]
576 static const TypeInt *TYPE_DOMAIN; // alias for TypeInt::INT
577
578 static const TypeInt *as_self(const Type *t) { return t->is_int(); }
579 #ifndef PRODUCT
580 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
581 #endif
582 };
583
584
585 //------------------------------TypeLong---------------------------------------
586 // Class of long integer ranges, the set of integers between a lower bound and
587 // an upper bound, inclusive.
588 class TypeLong : public Type {
589 TypeLong( jlong lo, jlong hi, int w );
590 protected:
591 // Do not kill _widen bits.
592 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
593 public:
594 typedef jlong NativeType;
595 virtual bool eq( const Type *t ) const;
596 virtual int hash() const; // Type specific hashing
597 virtual bool singleton(void) const; // TRUE if type is a singleton
598 virtual bool empty(void) const; // TRUE if type is vacuous
599 public:
600 const jlong _lo, _hi; // Lower bound, upper bound
601 const short _widen; // Limit on times we widen this sucker
602
603 static const TypeLong *make(jlong lo);
604 // must always specify w
605 static const TypeLong *make(jlong lo, jlong hi, int w);
606
607 // Check for single integer
608 int is_con() const { return _lo==_hi; }
609 bool is_con(int i) const { return is_con() && _lo == i; }
610 jlong get_con() const { assert( is_con(), "" ); return _lo; }
611
612 // Check for positive 32-bit value.
613 int is_positive_int() const { return _lo >= 0 && _hi <= (jlong)max_jint; }
614
615 virtual bool is_finite() const; // Has a finite value
616
617
618 virtual const Type *xmeet( const Type *t ) const;
619 virtual const Type *xdual() const; // Compute dual right now.
620 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
621 virtual const Type *narrow( const Type *t ) const;
622 // Convenience common pre-built types.
623 static const TypeLong *MINUS_1;
624 static const TypeLong *ZERO;
625 static const TypeLong *ONE;
626 static const TypeLong *POS;
627 static const TypeLong *LONG;
628 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint]
629 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint]
630 static const TypeLong *TYPE_DOMAIN; // alias for TypeLong::LONG
631
632 // static convenience methods.
633 static const TypeLong *as_self(const Type *t) { return t->is_long(); }
634
635 #ifndef PRODUCT
636 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping
637 #endif
638 };
639
640 //------------------------------TypeTuple--------------------------------------
641 // Class of Tuple Types, essentially type collections for function signatures
642 // and class layouts. It happens to also be a fast cache for the HotSpot
643 // signature types.
644 class TypeTuple : public Type {
645 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { }
646
647 const uint _cnt; // Count of fields
648 const Type ** const _fields; // Array of field types
649
650 public:
651 virtual bool eq( const Type *t ) const;
652 virtual int hash() const; // Type specific hashing
653 virtual bool singleton(void) const; // TRUE if type is a singleton
654 virtual bool empty(void) const; // TRUE if type is vacuous
655
656 // Accessors:
657 uint cnt() const { return _cnt; }
658 const Type* field_at(uint i) const {
659 assert(i < _cnt, "oob");
660 return _fields[i];
661 }
662 void set_field_at(uint i, const Type* t) {
663 assert(i < _cnt, "oob");
664 _fields[i] = t;
665 }
666
667 static const TypeTuple *make( uint cnt, const Type **fields );
668 static const TypeTuple *make_range(ciSignature *sig);
669 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig);
670
671 // Subroutine call type with space allocated for argument types
672 // Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly
673 static const Type **fields( uint arg_cnt );
674
675 virtual const Type *xmeet( const Type *t ) const;
676 virtual const Type *xdual() const; // Compute dual right now.
677 // Convenience common pre-built types.
678 static const TypeTuple *IFBOTH;
679 static const TypeTuple *IFFALSE;
680 static const TypeTuple *IFTRUE;
681 static const TypeTuple *IFNEITHER;
682 static const TypeTuple *LOOPBODY;
683 static const TypeTuple *MEMBAR;
684 static const TypeTuple *STORECONDITIONAL;
685 static const TypeTuple *START_I2C;
686 static const TypeTuple *INT_PAIR;
687 static const TypeTuple *LONG_PAIR;
688 static const TypeTuple *INT_CC_PAIR;
689 static const TypeTuple *LONG_CC_PAIR;
690 #ifndef PRODUCT
691 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
692 #endif
693 };
694
695 //------------------------------TypeAry----------------------------------------
696 // Class of Array Types
697 class TypeAry : public Type {
698 TypeAry(const Type* elem, const TypeInt* size, bool stable) : Type(Array),
699 _elem(elem), _size(size), _stable(stable) {}
700 public:
701 virtual bool eq( const Type *t ) const;
702 virtual int hash() const; // Type specific hashing
703 virtual bool singleton(void) const; // TRUE if type is a singleton
704 virtual bool empty(void) const; // TRUE if type is vacuous
705
706 private:
707 const Type *_elem; // Element type of array
708 const TypeInt *_size; // Elements in array
709 const bool _stable; // Are elements @Stable?
710 friend class TypeAryPtr;
711
712 public:
713 static const TypeAry* make(const Type* elem, const TypeInt* size, bool stable = false);
714
715 virtual const Type *xmeet( const Type *t ) const;
716 virtual const Type *xdual() const; // Compute dual right now.
717 bool ary_must_be_exact() const; // true if arrays of such are never generic
718 virtual const Type* remove_speculative() const;
719 virtual const Type* cleanup_speculative() const;
720 #ifdef ASSERT
721 // One type is interface, the other is oop
722 virtual bool interface_vs_oop(const Type *t) const;
723 #endif
724 #ifndef PRODUCT
725 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
726 #endif
727 };
728
729 //------------------------------TypeVect---------------------------------------
730 // Class of Vector Types
731 class TypeVect : public Type {
732 const Type* _elem; // Vector's element type
733 const uint _length; // Elements in vector (power of 2)
734
735 protected:
736 TypeVect(TYPES t, const Type* elem, uint length) : Type(t),
737 _elem(elem), _length(length) {}
738
739 public:
740 const Type* element_type() const { return _elem; }
741 BasicType element_basic_type() const { return _elem->array_element_basic_type(); }
742 uint length() const { return _length; }
743 uint length_in_bytes() const {
744 return _length * type2aelembytes(element_basic_type());
745 }
746
747 virtual bool eq(const Type *t) const;
748 virtual int hash() const; // Type specific hashing
749 virtual bool singleton(void) const; // TRUE if type is a singleton
750 virtual bool empty(void) const; // TRUE if type is vacuous
751
752 static const TypeVect *make(const BasicType elem_bt, uint length) {
753 // Use bottom primitive type.
754 return make(get_const_basic_type(elem_bt), length);
755 }
756 // Used directly by Replicate nodes to construct singleton vector.
757 static const TypeVect *make(const Type* elem, uint length);
758
759 virtual const Type *xmeet( const Type *t) const;
760 virtual const Type *xdual() const; // Compute dual right now.
761
762 static const TypeVect *VECTA;
763 static const TypeVect *VECTS;
764 static const TypeVect *VECTD;
765 static const TypeVect *VECTX;
766 static const TypeVect *VECTY;
767 static const TypeVect *VECTZ;
768
769 #ifndef PRODUCT
770 virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping
771 #endif
772 };
773
774 class TypeVectA : public TypeVect {
775 friend class TypeVect;
776 TypeVectA(const Type* elem, uint length) : TypeVect(VectorA, elem, length) {}
777 };
778
779 class TypeVectS : public TypeVect {
780 friend class TypeVect;
781 TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {}
782 };
783
784 class TypeVectD : public TypeVect {
785 friend class TypeVect;
786 TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {}
787 };
788
789 class TypeVectX : public TypeVect {
790 friend class TypeVect;
791 TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {}
792 };
793
794 class TypeVectY : public TypeVect {
795 friend class TypeVect;
796 TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {}
797 };
798
799 class TypeVectZ : public TypeVect {
800 friend class TypeVect;
801 TypeVectZ(const Type* elem, uint length) : TypeVect(VectorZ, elem, length) {}
802 };
803
804 //------------------------------TypePtr----------------------------------------
805 // Class of machine Pointer Types: raw data, instances or arrays.
806 // If the _base enum is AnyPtr, then this refers to all of the above.
807 // Otherwise the _base will indicate which subset of pointers is affected,
808 // and the class will be inherited from.
809 class TypePtr : public Type {
810 friend class TypeNarrowPtr;
811 public:
812 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR };
813 protected:
814 TypePtr(TYPES t, PTR ptr, int offset,
815 const TypePtr* speculative = NULL,
816 int inline_depth = InlineDepthBottom) :
817 Type(t), _speculative(speculative), _inline_depth(inline_depth), _offset(offset),
818 _ptr(ptr) {}
819 static const PTR ptr_meet[lastPTR][lastPTR];
820 static const PTR ptr_dual[lastPTR];
821 static const char * const ptr_msg[lastPTR];
822
823 enum {
824 InlineDepthBottom = INT_MAX,
825 InlineDepthTop = -InlineDepthBottom
826 };
827
828 // Extra type information profiling gave us. We propagate it the
829 // same way the rest of the type info is propagated. If we want to
830 // use it, then we have to emit a guard: this part of the type is
831 // not something we know but something we speculate about the type.
832 const TypePtr* _speculative;
833 // For speculative types, we record at what inlining depth the
834 // profiling point that provided the data is. We want to favor
835 // profile data coming from outer scopes which are likely better for
836 // the current compilation.
837 int _inline_depth;
838
839 // utility methods to work on the speculative part of the type
840 const TypePtr* dual_speculative() const;
841 const TypePtr* xmeet_speculative(const TypePtr* other) const;
842 bool eq_speculative(const TypePtr* other) const;
843 int hash_speculative() const;
844 const TypePtr* add_offset_speculative(intptr_t offset) const;
845 #ifndef PRODUCT
846 void dump_speculative(outputStream *st) const;
847 #endif
848
849 // utility methods to work on the inline depth of the type
850 int dual_inline_depth() const;
851 int meet_inline_depth(int depth) const;
852 #ifndef PRODUCT
853 void dump_inline_depth(outputStream *st) const;
854 #endif
855
856 public:
857 const int _offset; // Offset into oop, with TOP & BOT
858 const PTR _ptr; // Pointer equivalence class
859
860 const int offset() const { return _offset; }
861 const PTR ptr() const { return _ptr; }
862
863 static const TypePtr *make(TYPES t, PTR ptr, int offset,
864 const TypePtr* speculative = NULL,
865 int inline_depth = InlineDepthBottom);
866
867 // Return a 'ptr' version of this type
868 virtual const Type *cast_to_ptr_type(PTR ptr) const;
869
870 virtual intptr_t get_con() const;
871
872 int xadd_offset( intptr_t offset ) const;
873 virtual const TypePtr *add_offset( intptr_t offset ) const;
874 virtual bool eq(const Type *t) const;
875 virtual int hash() const; // Type specific hashing
876
877 virtual bool singleton(void) const; // TRUE if type is a singleton
878 virtual bool empty(void) const; // TRUE if type is vacuous
879 virtual const Type *xmeet( const Type *t ) const;
880 virtual const Type *xmeet_helper( const Type *t ) const;
881 int meet_offset( int offset ) const;
882 int dual_offset( ) const;
883 virtual const Type *xdual() const; // Compute dual right now.
884
885 // meet, dual and join over pointer equivalence sets
886 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; }
887 PTR dual_ptr() const { return ptr_dual[ptr()]; }
888
889 // This is textually confusing unless one recalls that
890 // join(t) == dual()->meet(t->dual())->dual().
891 PTR join_ptr( const PTR in_ptr ) const {
892 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ];
893 }
894
895 // Speculative type helper methods.
896 virtual const TypePtr* speculative() const { return _speculative; }
897 int inline_depth() const { return _inline_depth; }
898 virtual ciKlass* speculative_type() const;
899 virtual ciKlass* speculative_type_not_null() const;
900 virtual bool speculative_maybe_null() const;
901 virtual bool speculative_always_null() const;
902 virtual const Type* remove_speculative() const;
903 virtual const Type* cleanup_speculative() const;
904 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
905 virtual bool would_improve_ptr(ProfilePtrKind maybe_null) const;
906 virtual const TypePtr* with_inline_depth(int depth) const;
907
908 virtual bool maybe_null() const { return meet_ptr(Null) == ptr(); }
909
910 // Tests for relation to centerline of type lattice:
911 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); }
912 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); }
913 // Convenience common pre-built types.
914 static const TypePtr *NULL_PTR;
915 static const TypePtr *NOTNULL;
916 static const TypePtr *BOTTOM;
917 #ifndef PRODUCT
918 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
919 #endif
920 };
921
922 //------------------------------TypeRawPtr-------------------------------------
923 // Class of raw pointers, pointers to things other than Oops. Examples
924 // include the stack pointer, top of heap, card-marking area, handles, etc.
925 class TypeRawPtr : public TypePtr {
926 protected:
927 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){}
928 public:
929 virtual bool eq( const Type *t ) const;
930 virtual int hash() const; // Type specific hashing
931
932 const address _bits; // Constant value, if applicable
933
934 static const TypeRawPtr *make( PTR ptr );
935 static const TypeRawPtr *make( address bits );
936
937 // Return a 'ptr' version of this type
938 virtual const Type *cast_to_ptr_type(PTR ptr) const;
939
940 virtual intptr_t get_con() const;
941
942 virtual const TypePtr *add_offset( intptr_t offset ) const;
943
944 virtual const Type *xmeet( const Type *t ) const;
945 virtual const Type *xdual() const; // Compute dual right now.
946 // Convenience common pre-built types.
947 static const TypeRawPtr *BOTTOM;
948 static const TypeRawPtr *NOTNULL;
949 #ifndef PRODUCT
950 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
951 #endif
952 };
953
954 //------------------------------TypeOopPtr-------------------------------------
955 // Some kind of oop (Java pointer), either instance or array.
956 class TypeOopPtr : public TypePtr {
957 protected:
958 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id,
959 const TypePtr* speculative, int inline_depth);
960 public:
961 virtual bool eq( const Type *t ) const;
962 virtual int hash() const; // Type specific hashing
963 virtual bool singleton(void) const; // TRUE if type is a singleton
964 enum {
965 InstanceTop = -1, // undefined instance
966 InstanceBot = 0 // any possible instance
967 };
968 protected:
969
970 // Oop is NULL, unless this is a constant oop.
971 ciObject* _const_oop; // Constant oop
972 // If _klass is NULL, then so is _sig. This is an unloaded klass.
973 ciKlass* _klass; // Klass object
974 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
975 bool _klass_is_exact;
976 bool _is_ptr_to_narrowoop;
977 bool _is_ptr_to_narrowklass;
978 bool _is_ptr_to_boxed_value;
979
980 // If not InstanceTop or InstanceBot, indicates that this is
981 // a particular instance of this type which is distinct.
982 // This is the node index of the allocation node creating this instance.
983 int _instance_id;
984
985 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
986
987 int dual_instance_id() const;
988 int meet_instance_id(int uid) const;
989
990 // Do not allow interface-vs.-noninterface joins to collapse to top.
991 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
992
993 public:
994 // Creates a type given a klass. Correctly handles multi-dimensional arrays
995 // Respects UseUniqueSubclasses.
996 // If the klass is final, the resulting type will be exact.
997 static const TypeOopPtr* make_from_klass(ciKlass* klass) {
998 return make_from_klass_common(klass, true, false);
999 }
1000 // Same as before, but will produce an exact type, even if
1001 // the klass is not final, as long as it has exactly one implementation.
1002 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) {
1003 return make_from_klass_common(klass, true, true);
1004 }
1005 // Same as before, but does not respects UseUniqueSubclasses.
1006 // Use this only for creating array element types.
1007 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) {
1008 return make_from_klass_common(klass, false, false);
1009 }
1010 // Creates a singleton type given an object.
1011 // If the object cannot be rendered as a constant,
1012 // may return a non-singleton type.
1013 // If require_constant, produce a NULL if a singleton is not possible.
1014 static const TypeOopPtr* make_from_constant(ciObject* o,
1015 bool require_constant = false);
1016
1017 // Make a generic (unclassed) pointer to an oop.
1018 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id,
1019 const TypePtr* speculative = NULL,
1020 int inline_depth = InlineDepthBottom);
1021
1022 ciObject* const_oop() const { return _const_oop; }
1023 virtual ciKlass* klass() const { return _klass; }
1024 bool klass_is_exact() const { return _klass_is_exact; }
1025
1026 // Returns true if this pointer points at memory which contains a
1027 // compressed oop references.
1028 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
1029 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; }
1030 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; }
1031 bool is_known_instance() const { return _instance_id > 0; }
1032 int instance_id() const { return _instance_id; }
1033 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
1034
1035 virtual intptr_t get_con() const;
1036
1037 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1038
1039 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1040
1041 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1042
1043 // corresponding pointer to klass, for a given instance
1044 const TypeKlassPtr* as_klass_type() const;
1045
1046 virtual const TypePtr *add_offset( intptr_t offset ) const;
1047
1048 // Speculative type helper methods.
1049 virtual const Type* remove_speculative() const;
1050 virtual const Type* cleanup_speculative() const;
1051 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
1052 virtual const TypePtr* with_inline_depth(int depth) const;
1053
1054 virtual const TypePtr* with_instance_id(int instance_id) const;
1055
1056 virtual const Type *xdual() const; // Compute dual right now.
1057 // the core of the computation of the meet for TypeOopPtr and for its subclasses
1058 virtual const Type *xmeet_helper(const Type *t) const;
1059
1060 // Convenience common pre-built type.
1061 static const TypeOopPtr *BOTTOM;
1062 #ifndef PRODUCT
1063 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1064 #endif
1065 };
1066
1067 //------------------------------TypeInstPtr------------------------------------
1068 // Class of Java object pointers, pointing either to non-array Java instances
1069 // or to a Klass* (including array klasses).
1070 class TypeInstPtr : public TypeOopPtr {
1071 TypeInstPtr(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id,
1072 const TypePtr* speculative, int inline_depth);
1073 virtual bool eq( const Type *t ) const;
1074 virtual int hash() const; // Type specific hashing
1075
1076 ciSymbol* _name; // class name
1077
1078 public:
1079 ciSymbol* name() const { return _name; }
1080
1081 bool is_loaded() const { return _klass->is_loaded(); }
1082
1083 // Make a pointer to a constant oop.
1084 static const TypeInstPtr *make(ciObject* o) {
1085 return make(TypePtr::Constant, o->klass(), true, o, 0, InstanceBot);
1086 }
1087 // Make a pointer to a constant oop with offset.
1088 static const TypeInstPtr *make(ciObject* o, int offset) {
1089 return make(TypePtr::Constant, o->klass(), true, o, offset, InstanceBot);
1090 }
1091
1092 // Make a pointer to some value of type klass.
1093 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) {
1094 return make(ptr, klass, false, NULL, 0, InstanceBot);
1095 }
1096
1097 // Make a pointer to some non-polymorphic value of exactly type klass.
1098 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) {
1099 return make(ptr, klass, true, NULL, 0, InstanceBot);
1100 }
1101
1102 // Make a pointer to some value of type klass with offset.
1103 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) {
1104 return make(ptr, klass, false, NULL, offset, InstanceBot);
1105 }
1106
1107 // Make a pointer to an oop.
1108 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset,
1109 int instance_id = InstanceBot,
1110 const TypePtr* speculative = NULL,
1111 int inline_depth = InlineDepthBottom);
1112
1113 /** Create constant type for a constant boxed value */
1114 const Type* get_const_boxed_value() const;
1115
1116 // If this is a java.lang.Class constant, return the type for it or NULL.
1117 // Pass to Type::get_const_type to turn it to a type, which will usually
1118 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
1119 ciType* java_mirror_type() const;
1120
1121 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1122
1123 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1124
1125 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1126
1127 virtual const TypePtr *add_offset( intptr_t offset ) const;
1128
1129 // Speculative type helper methods.
1130 virtual const Type* remove_speculative() const;
1131 virtual const TypePtr* with_inline_depth(int depth) const;
1132 virtual const TypePtr* with_instance_id(int instance_id) const;
1133
1134 // the core of the computation of the meet of 2 types
1135 virtual const Type *xmeet_helper(const Type *t) const;
1136 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const;
1137 virtual const Type *xdual() const; // Compute dual right now.
1138
1139 // Convenience common pre-built types.
1140 static const TypeInstPtr *NOTNULL;
1141 static const TypeInstPtr *BOTTOM;
1142 static const TypeInstPtr *MIRROR;
1143 static const TypeInstPtr *MARK;
1144 static const TypeInstPtr *KLASS;
1145 #ifndef PRODUCT
1146 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1147 #endif
1148 };
1149
1150 //------------------------------TypeAryPtr-------------------------------------
1151 // Class of Java array pointers
1152 class TypeAryPtr : public TypeOopPtr {
1153 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk,
1154 int offset, int instance_id, bool is_autobox_cache,
1155 const TypePtr* speculative, int inline_depth)
1156 : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id, speculative, inline_depth),
1157 _ary(ary),
1158 _is_autobox_cache(is_autobox_cache)
1159 {
1160 #ifdef ASSERT
1161 if (k != NULL) {
1162 // Verify that specified klass and TypeAryPtr::klass() follow the same rules.
1163 ciKlass* ck = compute_klass(true);
1164 if (k != ck) {
1165 this->dump(); tty->cr();
1166 tty->print(" k: ");
1167 k->print(); tty->cr();
1168 tty->print("ck: ");
1169 if (ck != NULL) ck->print();
1170 else tty->print("<NULL>");
1171 tty->cr();
1172 assert(false, "unexpected TypeAryPtr::_klass");
1173 }
1174 }
1175 #endif
1176 }
1177 virtual bool eq( const Type *t ) const;
1178 virtual int hash() const; // Type specific hashing
1179 const TypeAry *_ary; // Array we point into
1180 const bool _is_autobox_cache;
1181
1182 ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const;
1183
1184 public:
1185 // Accessors
1186 ciKlass* klass() const;
1187 const TypeAry* ary() const { return _ary; }
1188 const Type* elem() const { return _ary->_elem; }
1189 const TypeInt* size() const { return _ary->_size; }
1190 bool is_stable() const { return _ary->_stable; }
1191
1192 bool is_autobox_cache() const { return _is_autobox_cache; }
1193
1194 static const TypeAryPtr *make(PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1195 int instance_id = InstanceBot,
1196 const TypePtr* speculative = NULL,
1197 int inline_depth = InlineDepthBottom);
1198 // Constant pointer to array
1199 static const TypeAryPtr *make(PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1200 int instance_id = InstanceBot,
1201 const TypePtr* speculative = NULL,
1202 int inline_depth = InlineDepthBottom, bool is_autobox_cache = false);
1203
1204 // Return a 'ptr' version of this type
1205 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1206
1207 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1208
1209 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1210
1211 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const;
1212 virtual const TypeInt* narrow_size_type(const TypeInt* size) const;
1213
1214 virtual bool empty(void) const; // TRUE if type is vacuous
1215 virtual const TypePtr *add_offset( intptr_t offset ) const;
1216
1217 // Speculative type helper methods.
1218 virtual const Type* remove_speculative() const;
1219 virtual const TypePtr* with_inline_depth(int depth) const;
1220 virtual const TypePtr* with_instance_id(int instance_id) const;
1221
1222 // the core of the computation of the meet of 2 types
1223 virtual const Type *xmeet_helper(const Type *t) const;
1224 virtual const Type *xdual() const; // Compute dual right now.
1225
1226 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const;
1227 int stable_dimension() const;
1228
1229 const TypeAryPtr* cast_to_autobox_cache(bool cache) const;
1230
1231 static jint max_array_length(BasicType etype) ;
1232
1233 // Convenience common pre-built types.
1234 static const TypeAryPtr *RANGE;
1235 static const TypeAryPtr *OOPS;
1236 static const TypeAryPtr *NARROWOOPS;
1237 static const TypeAryPtr *BYTES;
1238 static const TypeAryPtr *SHORTS;
1239 static const TypeAryPtr *CHARS;
1240 static const TypeAryPtr *INTS;
1241 static const TypeAryPtr *LONGS;
1242 static const TypeAryPtr *FLOATS;
1243 static const TypeAryPtr *DOUBLES;
1244 // selects one of the above:
1245 static const TypeAryPtr *get_array_body_type(BasicType elem) {
1246 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type");
1247 return _array_body_type[elem];
1248 }
1249 static const TypeAryPtr *_array_body_type[T_CONFLICT+1];
1250 // sharpen the type of an int which is used as an array size
1251 #ifdef ASSERT
1252 // One type is interface, the other is oop
1253 virtual bool interface_vs_oop(const Type *t) const;
1254 #endif
1255 #ifndef PRODUCT
1256 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1257 #endif
1258 };
1259
1260 //------------------------------TypeMetadataPtr-------------------------------------
1261 // Some kind of metadata, either Method*, MethodData* or CPCacheOop
1262 class TypeMetadataPtr : public TypePtr {
1263 protected:
1264 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset);
1265 // Do not allow interface-vs.-noninterface joins to collapse to top.
1266 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1267 public:
1268 virtual bool eq( const Type *t ) const;
1269 virtual int hash() const; // Type specific hashing
1270 virtual bool singleton(void) const; // TRUE if type is a singleton
1271
1272 private:
1273 ciMetadata* _metadata;
1274
1275 public:
1276 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset);
1277
1278 static const TypeMetadataPtr* make(ciMethod* m);
1279 static const TypeMetadataPtr* make(ciMethodData* m);
1280
1281 ciMetadata* metadata() const { return _metadata; }
1282
1283 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1284
1285 virtual const TypePtr *add_offset( intptr_t offset ) const;
1286
1287 virtual const Type *xmeet( const Type *t ) const;
1288 virtual const Type *xdual() const; // Compute dual right now.
1289
1290 virtual intptr_t get_con() const;
1291
1292 // Convenience common pre-built types.
1293 static const TypeMetadataPtr *BOTTOM;
1294
1295 #ifndef PRODUCT
1296 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1297 #endif
1298 };
1299
1300 //------------------------------TypeKlassPtr-----------------------------------
1301 // Class of Java Klass pointers
1302 class TypeKlassPtr : public TypePtr {
1303 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset );
1304
1305 protected:
1306 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1307 public:
1308 virtual bool eq( const Type *t ) const;
1309 virtual int hash() const; // Type specific hashing
1310 virtual bool singleton(void) const; // TRUE if type is a singleton
1311 private:
1312
1313 static const TypeKlassPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
1314
1315 ciKlass* _klass;
1316
1317 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
1318 bool _klass_is_exact;
1319
1320 public:
1321 ciSymbol* name() const { return klass()->name(); }
1322
1323 ciKlass* klass() const { return _klass; }
1324 bool klass_is_exact() const { return _klass_is_exact; }
1325
1326 bool is_loaded() const { return klass()->is_loaded(); }
1327
1328 // Creates a type given a klass. Correctly handles multi-dimensional arrays
1329 // Respects UseUniqueSubclasses.
1330 // If the klass is final, the resulting type will be exact.
1331 static const TypeKlassPtr* make_from_klass(ciKlass* klass) {
1332 return make_from_klass_common(klass, true, false);
1333 }
1334 // Same as before, but will produce an exact type, even if
1335 // the klass is not final, as long as it has exactly one implementation.
1336 static const TypeKlassPtr* make_from_klass_unique(ciKlass* klass) {
1337 return make_from_klass_common(klass, true, true);
1338 }
1339 // Same as before, but does not respects UseUniqueSubclasses.
1340 // Use this only for creating array element types.
1341 static const TypeKlassPtr* make_from_klass_raw(ciKlass* klass) {
1342 return make_from_klass_common(klass, false, false);
1343 }
1344
1345 // Make a generic (unclassed) pointer to metadata.
1346 static const TypeKlassPtr* make(PTR ptr, int offset);
1347
1348 // ptr to klass 'k'
1349 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); }
1350 // ptr to klass 'k' with offset
1351 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); }
1352 // ptr to klass 'k' or sub-klass
1353 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset);
1354
1355 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1356
1357 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1358
1359 // corresponding pointer to instance, for a given class
1360 const TypeOopPtr* as_instance_type() const;
1361
1362 virtual const TypePtr *add_offset( intptr_t offset ) const;
1363 virtual const Type *xmeet( const Type *t ) const;
1364 virtual const Type *xdual() const; // Compute dual right now.
1365
1366 virtual intptr_t get_con() const;
1367
1368 // Convenience common pre-built types.
1369 static const TypeKlassPtr* OBJECT; // Not-null object klass or below
1370 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same
1371 #ifndef PRODUCT
1372 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1373 #endif
1374 };
1375
1376 class TypeNarrowPtr : public Type {
1377 protected:
1378 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR
1379
1380 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): Type(t),
1381 _ptrtype(ptrtype) {
1382 assert(ptrtype->offset() == 0 ||
1383 ptrtype->offset() == OffsetBot ||
1384 ptrtype->offset() == OffsetTop, "no real offsets");
1385 }
1386
1387 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0;
1388 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0;
1389 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0;
1390 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0;
1391 // Do not allow interface-vs.-noninterface joins to collapse to top.
1392 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1393 public:
1394 virtual bool eq( const Type *t ) const;
1395 virtual int hash() const; // Type specific hashing
1396 virtual bool singleton(void) const; // TRUE if type is a singleton
1397
1398 virtual const Type *xmeet( const Type *t ) const;
1399 virtual const Type *xdual() const; // Compute dual right now.
1400
1401 virtual intptr_t get_con() const;
1402
1403 virtual bool empty(void) const; // TRUE if type is vacuous
1404
1405 // returns the equivalent ptr type for this compressed pointer
1406 const TypePtr *get_ptrtype() const {
1407 return _ptrtype;
1408 }
1409
1410 bool is_known_instance() const {
1411 return _ptrtype->is_known_instance();
1412 }
1413
1414 #ifndef PRODUCT
1415 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1416 #endif
1417 };
1418
1419 //------------------------------TypeNarrowOop----------------------------------
1420 // A compressed reference to some kind of Oop. This type wraps around
1421 // a preexisting TypeOopPtr and forwards most of it's operations to
1422 // the underlying type. It's only real purpose is to track the
1423 // oopness of the compressed oop value when we expose the conversion
1424 // between the normal and the compressed form.
1425 class TypeNarrowOop : public TypeNarrowPtr {
1426 protected:
1427 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) {
1428 }
1429
1430 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1431 return t->isa_narrowoop();
1432 }
1433
1434 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1435 return t->is_narrowoop();
1436 }
1437
1438 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1439 return new TypeNarrowOop(t);
1440 }
1441
1442 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1443 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons());
1444 }
1445
1446 public:
1447
1448 static const TypeNarrowOop *make( const TypePtr* type);
1449
1450 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) {
1451 return make(TypeOopPtr::make_from_constant(con, require_constant));
1452 }
1453
1454 static const TypeNarrowOop *BOTTOM;
1455 static const TypeNarrowOop *NULL_PTR;
1456
1457 virtual const Type* remove_speculative() const;
1458 virtual const Type* cleanup_speculative() const;
1459
1460 #ifndef PRODUCT
1461 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1462 #endif
1463 };
1464
1465 //------------------------------TypeNarrowKlass----------------------------------
1466 // A compressed reference to klass pointer. This type wraps around a
1467 // preexisting TypeKlassPtr and forwards most of it's operations to
1468 // the underlying type.
1469 class TypeNarrowKlass : public TypeNarrowPtr {
1470 protected:
1471 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) {
1472 }
1473
1474 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1475 return t->isa_narrowklass();
1476 }
1477
1478 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1479 return t->is_narrowklass();
1480 }
1481
1482 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1483 return new TypeNarrowKlass(t);
1484 }
1485
1486 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1487 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons());
1488 }
1489
1490 public:
1491 static const TypeNarrowKlass *make( const TypePtr* type);
1492
1493 // static const TypeNarrowKlass *BOTTOM;
1494 static const TypeNarrowKlass *NULL_PTR;
1495
1496 #ifndef PRODUCT
1497 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1498 #endif
1499 };
1500
1501 //------------------------------TypeFunc---------------------------------------
1502 // Class of Array Types
1503 class TypeFunc : public Type {
1504 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {}
1505 virtual bool eq( const Type *t ) const;
1506 virtual int hash() const; // Type specific hashing
1507 virtual bool singleton(void) const; // TRUE if type is a singleton
1508 virtual bool empty(void) const; // TRUE if type is vacuous
1509
1510 const TypeTuple* const _domain; // Domain of inputs
1511 const TypeTuple* const _range; // Range of results
1512
1513 public:
1514 // Constants are shared among ADLC and VM
1515 enum { Control = AdlcVMDeps::Control,
1516 I_O = AdlcVMDeps::I_O,
1517 Memory = AdlcVMDeps::Memory,
1518 FramePtr = AdlcVMDeps::FramePtr,
1519 ReturnAdr = AdlcVMDeps::ReturnAdr,
1520 Parms = AdlcVMDeps::Parms
1521 };
1522
1523
1524 // Accessors:
1525 const TypeTuple* domain() const { return _domain; }
1526 const TypeTuple* range() const { return _range; }
1527
1528 static const TypeFunc *make(ciMethod* method);
1529 static const TypeFunc *make(ciSignature signature, const Type* extra);
1530 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range);
1531
1532 virtual const Type *xmeet( const Type *t ) const;
1533 virtual const Type *xdual() const; // Compute dual right now.
1534
1535 BasicType return_type() const;
1536
1537 #ifndef PRODUCT
1538 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1539 #endif
1540 // Convenience common pre-built types.
1541 };
1542
1543 //------------------------------accessors--------------------------------------
1544 inline bool Type::is_ptr_to_narrowoop() const {
1545 #ifdef _LP64
1546 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv());
1547 #else
1548 return false;
1549 #endif
1550 }
1551
1552 inline bool Type::is_ptr_to_narrowklass() const {
1553 #ifdef _LP64
1554 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowklass_nv());
1555 #else
1556 return false;
1557 #endif
1558 }
1559
1560 inline float Type::getf() const {
1561 assert( _base == FloatCon, "Not a FloatCon" );
1562 return ((TypeF*)this)->_f;
1563 }
1564
1565 inline double Type::getd() const {
1566 assert( _base == DoubleCon, "Not a DoubleCon" );
1567 return ((TypeD*)this)->_d;
1568 }
1569
1570 inline const TypeInt *Type::is_int() const {
1571 assert( _base == Int, "Not an Int" );
1572 return (TypeInt*)this;
1573 }
1574
1575 inline const TypeInt *Type::isa_int() const {
1576 return ( _base == Int ? (TypeInt*)this : NULL);
1577 }
1578
1579 inline const TypeLong *Type::is_long() const {
1580 assert( _base == Long, "Not a Long" );
1581 return (TypeLong*)this;
1582 }
1583
1584 inline const TypeLong *Type::isa_long() const {
1585 return ( _base == Long ? (TypeLong*)this : NULL);
1586 }
1587
1588 inline const TypeF *Type::isa_float() const {
1589 return ((_base == FloatTop ||
1590 _base == FloatCon ||
1591 _base == FloatBot) ? (TypeF*)this : NULL);
1592 }
1593
1594 inline const TypeF *Type::is_float_constant() const {
1595 assert( _base == FloatCon, "Not a Float" );
1596 return (TypeF*)this;
1597 }
1598
1599 inline const TypeF *Type::isa_float_constant() const {
1600 return ( _base == FloatCon ? (TypeF*)this : NULL);
1601 }
1602
1603 inline const TypeD *Type::isa_double() const {
1604 return ((_base == DoubleTop ||
1605 _base == DoubleCon ||
1606 _base == DoubleBot) ? (TypeD*)this : NULL);
1607 }
1608
1609 inline const TypeD *Type::is_double_constant() const {
1610 assert( _base == DoubleCon, "Not a Double" );
1611 return (TypeD*)this;
1612 }
1613
1614 inline const TypeD *Type::isa_double_constant() const {
1615 return ( _base == DoubleCon ? (TypeD*)this : NULL);
1616 }
1617
1618 inline const TypeTuple *Type::is_tuple() const {
1619 assert( _base == Tuple, "Not a Tuple" );
1620 return (TypeTuple*)this;
1621 }
1622
1623 inline const TypeAry *Type::is_ary() const {
1624 assert( _base == Array , "Not an Array" );
1625 return (TypeAry*)this;
1626 }
1627
1628 inline const TypeAry *Type::isa_ary() const {
1629 return ((_base == Array) ? (TypeAry*)this : NULL);
1630 }
1631
1632 inline const TypeVect *Type::is_vect() const {
1633 assert( _base >= VectorA && _base <= VectorZ, "Not a Vector" );
1634 return (TypeVect*)this;
1635 }
1636
1637 inline const TypeVect *Type::isa_vect() const {
1638 return (_base >= VectorA && _base <= VectorZ) ? (TypeVect*)this : NULL;
1639 }
1640
1641 inline const TypePtr *Type::is_ptr() const {
1642 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1643 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer");
1644 return (TypePtr*)this;
1645 }
1646
1647 inline const TypePtr *Type::isa_ptr() const {
1648 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1649 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL;
1650 }
1651
1652 inline const TypeOopPtr *Type::is_oopptr() const {
1653 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1654 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ;
1655 return (TypeOopPtr*)this;
1656 }
1657
1658 inline const TypeOopPtr *Type::isa_oopptr() const {
1659 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1660 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : NULL;
1661 }
1662
1663 inline const TypeRawPtr *Type::isa_rawptr() const {
1664 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL;
1665 }
1666
1667 inline const TypeRawPtr *Type::is_rawptr() const {
1668 assert( _base == RawPtr, "Not a raw pointer" );
1669 return (TypeRawPtr*)this;
1670 }
1671
1672 inline const TypeInstPtr *Type::isa_instptr() const {
1673 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL;
1674 }
1675
1676 inline const TypeInstPtr *Type::is_instptr() const {
1677 assert( _base == InstPtr, "Not an object pointer" );
1678 return (TypeInstPtr*)this;
1679 }
1680
1681 inline const TypeAryPtr *Type::isa_aryptr() const {
1682 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL;
1683 }
1684
1685 inline const TypeAryPtr *Type::is_aryptr() const {
1686 assert( _base == AryPtr, "Not an array pointer" );
1687 return (TypeAryPtr*)this;
1688 }
1689
1690 inline const TypeNarrowOop *Type::is_narrowoop() const {
1691 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1692 assert(_base == NarrowOop, "Not a narrow oop" ) ;
1693 return (TypeNarrowOop*)this;
1694 }
1695
1696 inline const TypeNarrowOop *Type::isa_narrowoop() const {
1697 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1698 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL;
1699 }
1700
1701 inline const TypeNarrowKlass *Type::is_narrowklass() const {
1702 assert(_base == NarrowKlass, "Not a narrow oop" ) ;
1703 return (TypeNarrowKlass*)this;
1704 }
1705
1706 inline const TypeNarrowKlass *Type::isa_narrowklass() const {
1707 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : NULL;
1708 }
1709
1710 inline const TypeMetadataPtr *Type::is_metadataptr() const {
1711 // MetadataPtr is the first and CPCachePtr the last
1712 assert(_base == MetadataPtr, "Not a metadata pointer" ) ;
1713 return (TypeMetadataPtr*)this;
1714 }
1715
1716 inline const TypeMetadataPtr *Type::isa_metadataptr() const {
1717 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : NULL;
1718 }
1719
1720 inline const TypeKlassPtr *Type::isa_klassptr() const {
1721 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL;
1722 }
1723
1724 inline const TypeKlassPtr *Type::is_klassptr() const {
1725 assert( _base == KlassPtr, "Not a klass pointer" );
1726 return (TypeKlassPtr*)this;
1727 }
1728
1729 inline const TypePtr* Type::make_ptr() const {
1730 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() :
1731 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() :
1732 isa_ptr());
1733 }
1734
1735 inline const TypeOopPtr* Type::make_oopptr() const {
1736 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->isa_oopptr() : isa_oopptr();
1737 }
1738
1739 inline const TypeNarrowOop* Type::make_narrowoop() const {
1740 return (_base == NarrowOop) ? is_narrowoop() :
1741 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL);
1742 }
1743
1744 inline const TypeNarrowKlass* Type::make_narrowklass() const {
1745 return (_base == NarrowKlass) ? is_narrowklass() :
1746 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : NULL);
1747 }
1748
1749 inline bool Type::is_floatingpoint() const {
1750 if( (_base == FloatCon) || (_base == FloatBot) ||
1751 (_base == DoubleCon) || (_base == DoubleBot) )
1752 return true;
1753 return false;
1754 }
1755
1756 inline bool Type::is_ptr_to_boxing_obj() const {
1757 const TypeInstPtr* tp = isa_instptr();
1758 return (tp != NULL) && (tp->offset() == 0) &&
1759 tp->klass()->is_instance_klass() &&
1760 tp->klass()->as_instance_klass()->is_box_klass();
1761 }
1762
1763
1764 // ===============================================================
1765 // Things that need to be 64-bits in the 64-bit build but
1766 // 32-bits in the 32-bit build. Done this way to get full
1767 // optimization AND strong typing.
1768 #ifdef _LP64
1769
1770 // For type queries and asserts
1771 #define is_intptr_t is_long
1772 #define isa_intptr_t isa_long
1773 #define find_intptr_t_type find_long_type
1774 #define find_intptr_t_con find_long_con
1775 #define TypeX TypeLong
1776 #define Type_X Type::Long
1777 #define TypeX_X TypeLong::LONG
1778 #define TypeX_ZERO TypeLong::ZERO
1779 // For 'ideal_reg' machine registers
1780 #define Op_RegX Op_RegL
1781 // For phase->intcon variants
1782 #define MakeConX longcon
1783 #define ConXNode ConLNode
1784 // For array index arithmetic
1785 #define MulXNode MulLNode
1786 #define AndXNode AndLNode
1787 #define OrXNode OrLNode
1788 #define CmpXNode CmpLNode
1789 #define SubXNode SubLNode
1790 #define LShiftXNode LShiftLNode
1791 // For object size computation:
1792 #define AddXNode AddLNode
1793 #define RShiftXNode RShiftLNode
1794 // For card marks and hashcodes
1795 #define URShiftXNode URShiftLNode
1796 // UseOptoBiasInlining
1797 #define XorXNode XorLNode
1798 #define StoreXConditionalNode StoreLConditionalNode
1799 #define LoadXNode LoadLNode
1800 #define StoreXNode StoreLNode
1801 // Opcodes
1802 #define Op_LShiftX Op_LShiftL
1803 #define Op_AndX Op_AndL
1804 #define Op_AddX Op_AddL
1805 #define Op_SubX Op_SubL
1806 #define Op_XorX Op_XorL
1807 #define Op_URShiftX Op_URShiftL
1808 #define Op_LoadX Op_LoadL
1809 // conversions
1810 #define ConvI2X(x) ConvI2L(x)
1811 #define ConvL2X(x) (x)
1812 #define ConvX2I(x) ConvL2I(x)
1813 #define ConvX2L(x) (x)
1814 #define ConvX2UL(x) (x)
1815
1816 #else
1817
1818 // For type queries and asserts
1819 #define is_intptr_t is_int
1820 #define isa_intptr_t isa_int
1821 #define find_intptr_t_type find_int_type
1822 #define find_intptr_t_con find_int_con
1823 #define TypeX TypeInt
1824 #define Type_X Type::Int
1825 #define TypeX_X TypeInt::INT
1826 #define TypeX_ZERO TypeInt::ZERO
1827 // For 'ideal_reg' machine registers
1828 #define Op_RegX Op_RegI
1829 // For phase->intcon variants
1830 #define MakeConX intcon
1831 #define ConXNode ConINode
1832 // For array index arithmetic
1833 #define MulXNode MulINode
1834 #define AndXNode AndINode
1835 #define OrXNode OrINode
1836 #define CmpXNode CmpINode
1837 #define SubXNode SubINode
1838 #define LShiftXNode LShiftINode
1839 // For object size computation:
1840 #define AddXNode AddINode
1841 #define RShiftXNode RShiftINode
1842 // For card marks and hashcodes
1843 #define URShiftXNode URShiftINode
1844 // UseOptoBiasInlining
1845 #define XorXNode XorINode
1846 #define StoreXConditionalNode StoreIConditionalNode
1847 #define LoadXNode LoadINode
1848 #define StoreXNode StoreINode
1849 // Opcodes
1850 #define Op_LShiftX Op_LShiftI
1851 #define Op_AndX Op_AndI
1852 #define Op_AddX Op_AddI
1853 #define Op_SubX Op_SubI
1854 #define Op_XorX Op_XorI
1855 #define Op_URShiftX Op_URShiftI
1856 #define Op_LoadX Op_LoadI
1857 // conversions
1858 #define ConvI2X(x) (x)
1859 #define ConvL2X(x) ConvL2I(x)
1860 #define ConvX2I(x) (x)
1861 #define ConvX2L(x) ConvI2L(x)
1862 #define ConvX2UL(x) ConvI2UL(x)
1863
1864 #endif
1865
1866 #endif // SHARE_OPTO_TYPE_HPP